Information card for entry 2020384

Structure parameters

• Chemical name: Ca N H4 P O4 (H2 O)7
• Formula: Ca H18 N O11 P
• Calculated formula: Ca H18 N O11 P
• Title of publication: Structure of Ammonium Calcium Phosphate Heptahydrate, Ca (N H4) P O4 (H2 O)7
• Authors of publication: Takagi, S.; Brown, W. E.; Mathew, M.
• Journal of publication: Acta Crystallographica C (39,1983-)
• Year of publication: 1984
• Journal volume: 40
• Pages of publication: 1111 - 1113
• a: 6.3 Å
• b: 11.929 Å
• c: 7.176 Å
• α: 90°
• β: 91.62°
• γ: 90°
• Cell volume: 539.08 ų
• Number of distinct elements: 5
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No